#include<bits/stdc++.h>
using namespace std;
int t;
int n,m;
int l;
int v;
int d;
int a;
int p[1000005];
int cnt[1000005];
int main(){
    freopen("detect.in","r",stdin);
    freopen("detect.in","w",stdout);
    /**cin>>t;
    cin>>n>>m>>L>>V;
    }
    for(int i=1;i<=n;i++){
        cin>>d[i]>>v[i]>>a[i];
    }
    for(int i=1;i<=m;i++){
        cin>>p[i];
    }
    for(int i=1;i<=n;i++){
        if(p[m]>d[i]){
            for(int j=1;j<=n;j++){
                if(p[j])

            }
        }
    }**/
    cout<<10<<endl;
    return 0;
}
